Home / 16,943.53-23,381.44-9,389.67

Finding the Fourth Proportional to 16,943.53, 23,381.44 and 9,389.67

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Solution

The fourth proportional to 16,943.53, 23,381.44 and 9,389.67 is: 12,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.53 : 23,381.44 = 9,389.67 : x
  2. Step 2: Convert to fraction form
    16,943.53/23,381.44 = 9,389.67/x
  3. Step 3: Cross multiply
    16,943.53x = 23,381.44 × 9,389.67
  4. Step 4: Simplify right side
    16,943.53x = 219,544,005.72
  5. Step 5: Solve for x
    x = 219,544,005.72/16,943.53
  6. Step 6: Final answer
    x = 12,957.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.